Start on syntax highlighting, output correct key button event

1 files changed, 112 insertions, 8 deletions

diff --git a/src/window/window.c b/src/window/window.c
index 94756cd..9a650ae 100644
--- a/src/window/window.c
+++ b/src/window/window.c
@@ -1,4 +1,5 @@
 #include "../../include/mgl/window/window.h"
+#include "../../include/mgl/window/event.h"
 #include "../../include/mgl/mgl.h"
 #include <X11/Xutil.h>
 #include <errno.h>
@@ -140,23 +141,127 @@ void mgl_window_deinit(mgl_window *self) {
     }
 }
 
-static void mgl_window_on_receive_event(mgl_window *self, XEvent *xev) {
+static mgl_key x11_keysym_to_mgl_key(KeySym key_sym) {
+    if(key_sym >= XK_A && key_sym <= XK_Z)
+        return MGL_KEY_A + (key_sym - XK_A);
+    /* TODO: Check if this ever happens */
+    if(key_sym >= XK_a && key_sym <= XK_z)
+        return MGL_KEY_A + (key_sym - XK_a);
+    if(key_sym >= XK_0 && key_sym <= XK_9)
+        return MGL_KEY_NUM0 + (key_sym - XK_0);
+    if(key_sym >= XK_KP_0 && key_sym <= XK_KP_9)
+        return MGL_KEY_NUMPAD0 + (key_sym - XK_KP_0);
+
+    /* TODO: Fill in the rest */
+    switch(key_sym) {
+        case XK_space:      return MGL_KEY_SPACE;
+        case XK_BackSpace:  return MGL_KEY_BACKSPACE;
+        case XK_Tab:        return MGL_KEY_TAB;
+        case XK_Return:     return MGL_KEY_ENTER;
+        case XK_Delete:     return MGL_KEY_DELETE;
+        case XK_Home:       return MGL_KEY_HOME;
+        case XK_Left:       return MGL_KEY_LEFT;
+        case XK_Up:         return MGL_KEY_UP;
+        case XK_Right:      return MGL_KEY_RIGHT;
+        case XK_Down:       return MGL_KEY_DOWN;
+        case XK_Page_Up:    return MGL_KEY_PAGEUP;
+        case XK_Page_Down:  return MGL_KEY_PAGEDOWN;
+        case XK_End:        return MGL_KEY_END;
+        case XK_F1:         return MGL_KEY_F1;
+        case XK_F2:         return MGL_KEY_F2;
+        case XK_F3:         return MGL_KEY_F3;
+        case XK_F4:         return MGL_KEY_F4;
+        case XK_F5:         return MGL_KEY_F5;
+        case XK_F6:         return MGL_KEY_F6;
+        case XK_F7:         return MGL_KEY_F7;
+        case XK_F8:         return MGL_KEY_F8;
+        case XK_F9:         return MGL_KEY_F9;
+        case XK_F10:        return MGL_KEY_F10;
+        case XK_F11:        return MGL_KEY_F11;
+        case XK_F12:        return MGL_KEY_F12;
+        case XK_F13:        return MGL_KEY_F13;
+        case XK_F14:        return MGL_KEY_F14;
+        case XK_F15:        return MGL_KEY_F15;
+    }
+    return MGL_KEY_UNKNOWN;
+}
+
+static mgl_mouse_button x11_button_to_mgl_button(unsigned int button) {
+    switch(button) {
+        case 1: return MGL_BUTTON_LEFT;
+        case 2: return MGL_BUTTON_MIDDLE;
+        case 3: return MGL_BUTTON_RIGHT;
+        case 8: return MGL_BUTTON_XBUTTON1;
+        case 9: return MGL_BUTTON_XBUTTON2;
+    }
+    return MGL_BUTTON_UNKNOWN;
+}
+
+/* Returns true if processed */
+static bool mgl_window_on_receive_event(mgl_window *self, XEvent *xev, mgl_event *event, mgl_context *context) {
+    /* TODO: Handle wm_delete_window event */
     switch(xev->type) {
+        case KeyPress: {
+            /* TODO: Fill with correct data */
+            event->type = MGL_EVENT_KEY_PRESSED;
+            event->key.code = x11_keysym_to_mgl_key(XKeycodeToKeysym(context->connection, xev->xkey.keycode, 0));
+            event->key.alt = ((xev->xkey.state & Mod1Mask) != 0);
+            event->key.control = ((xev->xkey.state & ControlMask) != 0);
+            event->key.shift = ((xev->xkey.state & ShiftMask) != 0);
+            event->key.system = ((xev->xkey.state & Mod5Mask) != 0); /* TODO: Fix, doesn't work */
+            return true;
+        }
+        case KeyRelease: {
+            /* TODO: Fill with correct data */
+            event->type = MGL_EVENT_KEY_RELEASED;
+            event->key.code = x11_keysym_to_mgl_key(XKeycodeToKeysym(context->connection, xev->xkey.keycode, 0));
+            event->key.alt = ((xev->xkey.state & Mod1Mask) != 0);
+            event->key.control = ((xev->xkey.state & ControlMask) != 0);
+            event->key.shift = ((xev->xkey.state & ShiftMask) != 0);
+            event->key.system = ((xev->xkey.state & Mod5Mask) != 0); /* TODO: Fix, doesn't work */
+            return true;
+        }
+        case ButtonPress: {
+            event->type = MGL_EVENT_MOUSE_BUTTON_PRESSED;
+            event->mouse_button.button = x11_button_to_mgl_button(xev->xbutton.button);
+            event->mouse_button.x = xev->xbutton.x;
+            event->mouse_button.y = xev->xbutton.y;
+            return true;
+        }
+        case ButtonRelease: {
+            event->type = MGL_EVENT_MOUSE_BUTTON_RELEASED;
+            event->mouse_button.button = x11_button_to_mgl_button(xev->xbutton.button);
+            event->mouse_button.x = xev->xbutton.x;
+            event->mouse_button.y = xev->xbutton.y;
+            return true;
+        }
         case ConfigureNotify: {
             while(XCheckTypedWindowEvent(mgl_get_context()->connection, self->window, ConfigureNotify, xev)) {}
             if(xev->xconfigure.width != self->size.x || xev->xconfigure.height != self->size.x) {
                 mgl_window_on_resize(self, xev->xconfigure.width, xev->xconfigure.height);
-                /*fprintf(stderr, "resize!\n");*/
+
+                event->type = MGL_EVENT_RESIZED;
+                event->size.width = self->size.x;
+                event->size.height = self->size.y;
+                event->mouse_move.y = self->cursor_position.y;
+                return true;
             }
-            break;
+            return false;
         }
         case MotionNotify: {
             while(XCheckTypedWindowEvent(mgl_get_context()->connection, self->window, MotionNotify, xev)) {}
             self->cursor_position.x = xev->xmotion.x;
             self->cursor_position.y = xev->xmotion.y;
-            break;
+
+            event->type = MGL_EVENT_MOUSE_MOVED;
+            event->mouse_move.x = self->cursor_position.x;
+            event->mouse_move.y = self->cursor_position.y;
+            return true;
         }
     }
+    /*fprintf(stderr, "unhandled event type: %d\n", xev->type);*/
+    event->type = MGL_EVENT_UNKNOWN;
+    return false;
 }
 
 void mgl_window_clear(mgl_window *self, mgl_color color) {
@@ -166,13 +271,12 @@ void mgl_window_clear(mgl_window *self, mgl_color color) {
 }
 
 bool mgl_window_poll_event(mgl_window *self, mgl_event *event) {
-    /* TODO: Use |event| */
-
-    Display *display = mgl_get_context()->connection;
+    mgl_context *context = mgl_get_context();
+    Display *display = context->connection;
     if(XPending(display)) {
         XEvent xev; /* TODO: Move to window struct */
         XNextEvent(display, &xev);
-        mgl_window_on_receive_event(self, &xev);
+        mgl_window_on_receive_event(self, &xev, event, context);
         return true;
     } else {
         return false;